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Restructuring Charges (Schedule Of Restructuring And Related Costs) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Restructuring Charges [Abstract]            
Severance charges $ 0     $ 701 $ 8,046 $ 7,311
Asset impairment charges 36 7,400   0 7,374 0
Professional fees and other charges 773     (14) 1,681 (16)
Total restructuring charges $ 809   $ 8,600 $ 687 $ 17,101 $ 7,295